Constant vs Non Constant Rate of Change

Formulate the equation for the table given.

• y = 1/3x
• y = 3x
• y = 1/2x

What is the constant of proportionality for this table?

• 1/9
• 9
• 8

Unit means...

• one
• two
• three
• proportional

Calculate the rate of change.

• 1
• 2
• 11
• Not a constant slope/Non-Linear

What is the rate of change for the following graph?

• 80
• 20
• 40
• 160

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14

A recipe calls for 3/4 cup of brown sugar for every 3 eggs. What is the unit rate of eggs per cup? 

• 1 cup/4 eggs
• 1 cup/3 eggs
• 3 eggs/1 cup
• 4 eggs/1 cup

Describe the characteristics of a graph that is proportional?

• Linear
• The line goes through the origin
• Curvy line
• Linear and the line goes through the origin

Which company shows a greater rate of change?

• Water's Edge Rafts
• Ryan's Rafts

Analyze the point (3, 27). What does the point represent? 

• The point (3,27) represents 27 shirts for $3. 
• The point (3,27) represents $27 for 3 shirts.